1969 | ||
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2 | Harvey B. Keynes, James B. Robertson: Generators for Topological Entropy and Expansiveness. Mathematical Systems Theory 3(1): 51-59 (1969) | |
1967 | ||
1 | Harvey B. Keynes: The Proximal Relation in a Class of Substitution Minimal Sets. Mathematical Systems Theory 1(2): 165-174 (1967) |
1 | James B. Robertson | [2] |